In May 2010, the story continues to be Google Chrome, which gained another 0.62% during the month, meaning that May was the eighth month in a row where it gained at least 0.6%! The gain came at the expense of mostly Firefox, which suffered a drop of 0.55%.

IE held its ground in May, losing only 0.05%. Among the smaller browsers, Opera saw a small gain, while both Safari and Mozilla had minor declines.